968 AD. The Pandyan assassins gather once again to destroy the Chola dynasty. Now the mighty Chola princes must fight the Pandyas, the Rashtrakutas and other Chola enemies who have joined forces. Also, at play are the rumours of Ponniyin Selvan’s death at sea, the powerful Pazhuvettarayar’s betrayal, and the tragic destiny of Aditha Karikalan, whose heart was long lost to the vengeful Nandini.
Sitting Chief Minister Vinodhan, who is facing imprisonment in an illegal assets case, makes his son, Varun the temporary CM until his return. The disinterested young man gradually wakes up to the sorry state of affairs and tries to bring in a change.
Thaiyal Nayagi, a journalist from Chennai, happens to connect with a terrorist in Tunisia through a fake account in the name of her 16-year-old cousin, Sushmitha. Little she knew that this would put herself and her cousin in danger.
The Chola kingdom is under threat from forces both internal and external, and with crown prince Aaditha Karikalan, his younger brother Arunmozhi Varman and the emperor, Sundara Cholar separated by situations, it is up to a messenger to ensure the safety of the kingdom. Can he succeed in his mission, especially with Karikalan's former girlfriend, Nandhini, plotting to bring down the entire Chola empire?
A notorious gangster Vedha surrenders himself to encounter specialist Vikram whom he challenges every step of the way by narrating his life events in the form of riddles that needs to be solved in order to capture him.
A lady cop takes interest in the case of a pregnant minor girl and her lover. But there’s a twist in the case, and can she right a wrong, despite pressure from superiors?
A case involving the disappearance of a pregnant woman turns into a personal one for the cop who is tasked with investigating it.
An educated do-gooder is forced to enter politics in order to serve the society. But, will the old guard make way and allow him to do that?
A prey of a psycho killer turns evil and decides to hunt the hunter.
Kathiresan aka Kaththi, a criminal, escapes from the Kolkata prison and comes to Chennai, where he comes across his doppelganger Jeevanandham, fighting for his life after being shot at by unknown men. Kathir decides to pass off as Jeeva and make away with a lump sum amount but once he realizes who Jeeva really is, Kathir turns a crusader.
The brother of a local law minister, who is out on parole and should be back in custody in the next six days, goes missing. When he doesn't show up on the sixth day, the opposition party blames the law minister for keeping his brother in hiding, and therefore, resulting in his immediate arrest. Meanwhile, the missing brother resurfaces and wants to avenge his captor but he doesn't have a clue about his identity or whereabouts.
An espionage agent who is branded a traitor returns from exile to take down a dubious water project and safeguard the country.
When a young Naxal Revolutionary (Activist) and a Policeman, from contrasting walks of life, meet at a point, it creates an extraordinary moment. An important question is being asked, which turnarounds the whole perspective.